diff options
Diffstat (limited to 'gcc/configure.in')
-rw-r--r-- | gcc/configure.in | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/gcc/configure.in b/gcc/configure.in index 84cd3628b69..6b7d2f256f8 100644 --- a/gcc/configure.in +++ b/gcc/configure.in @@ -254,6 +254,28 @@ if test x$ac_gc_always_collect != x ; then every opportunity. This is extremely expensive.]) fi +# Enable code coverage collection +AC_ARG_ENABLE(coverage, +[ --enable-coverage[=LEVEL] + enable compiler\'s code coverage collection. + Use to measure compiler performance and locate + unused parts of the compiler. With LEVEL, specificy + optimization. Values are opt, noopt, + default is noopt], +[case "${enableval}" in +yes|noopt) + coverage_flags="-fprofile-arcs -ftest-coverage -O0" + ;; +opt) + coverage_flags="-fprofile-arcs -ftest-coverage -O2" + ;; +*) + AC_MSG_ERROR(unknown coverage setting $enableval) + ;; +esac], +[coverage_flags="-O2"]) +AC_SUBST(coverage_flags) + AC_ARG_WITH(cpp_install_dir, [ --with-cpp-install-dir=DIR install the user visible C preprocessor in DIR |